[
	{
		"group_by": [
			"file",
			"stream"
		],
		"inputs": [],
		"merge_strategies": {
			"message": "concat"
		},
		"starts_when": "if exists(.message) {\n    if length!(.message) \u003e 0 {\n        matched, err = match(.message, r'^[^\\s\\t]');\n        if err != null {\n            false;\n        } else {\n            matched;\n        };\n    } else {\n        false;\n    };\n} else {\n  false;\n}",
		"type": "reduce"
	}
]